Gregg Griffenhagen's efforts:	From	Finish Time
Blue Sky Marathon 2020 (Blue Sky)	Colorado, US	05:27:56
Quad Rock 2020 (Quad Rock 50)	Colorado, US	DNF
Never Summer (2020) (100k)	Colorado, US	18:46:31
Quad Rock (2019) (Quad Rock 50)	Colorado, US	12:12:06
Blue Sky Trail Marathon (2017)	CO	06:00:53